Modularized fresh air dehumidifier
Through modular design and sealing cotton separation technology, the problems of poor sealing and inconvenient maintenance of fresh air dehumidifiers are solved, and higher sealing and reliability are achieved, the maintenance process is simplified, and cold bridges and condensation are avoided.
Patent Information
- Application Number
- CN202420835887.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-22
- Publication Date
- 2025-02-25
- Estimated Expiration
- 2034-04-22
AI Technical Summary
During the maintenance and use of existing fresh air dehumidifiers, there are problems such as poor sealing, poor reliability, inconvenient maintenance and incomplete isolation of cold bridges, resulting in air leakage, cold leakage, shell condensation and other phenomena.
Adopting a modular design, the main functional components of the fresh air dehumidifier are divided into fan modules, coil modules, filter modules and electronic control modules. The modules and metal shells are separated by insulation boards and sealing cotton to realize the internal modules. seal.
It improves the sealing and reliability of the fresh air dehumidifier, simplifies the maintenance process, avoids cold bridge generation and shell condensation, and enhances the insulation performance of the equipment and the flexibility of the overall layout.
Smart Images

Figure CN222527819U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to air processing equipment, in particular to a modular fresh air dehumidifier. Background Art
[0002] Fresh air dehumidifier is a device that integrates fresh air, dehumidification and purification functions. It can provide two modes of fresh air and dehumidification according to the needs of customers at different time periods. At the same time, it has the function of purifying the air during circulation and dehumidification, making the air in the living space fresh and reaching the appropriate humidity.
[0003] In the prior art, the internal components of the fresh air dehumidifier are fixed to the casing by screws or welding, and then covered with a top casing cover. When the internal components of the fresh air dehumidifier need to be repaired or replaced, it is necessary to remove the whole fresh air dehumidifier that has been hoisted, and then remove the cover to take out the components that need to be repaired or replaced. This step is time-consuming and laborious, and debugging is required after each disassembly and assembly before it is used again. After multiple disassembly and assembly, the thermal insulation performance of the fresh air dehumidifier casing will also deteriorate, which is easy to cause condensation.
[0004] In addition, due to the high wind pressure and low air outlet temperature, fresh air dehumidifiers are prone to air leakage, cold leakage, and condensation on the shell during use. In conventional solutions, these problems are mostly solved by thickening the insulation layer, filling the internal and external gaps, and adding sealing strips. However, there are still problems such as cumbersome processes, poor reliability, inconvenient maintenance, and incomplete cold bridge isolation. Summary of the invention
[0005] In order to solve the above technical problems, the purpose of the utility model is to provide a modular fresh air dehumidifier with good sealing, high reliability, flexible configuration and easy maintenance.
[0006] In order to achieve the above-mentioned purpose, the utility model discloses a modular fresh air dehumidifier, including a casing, an insulation board, a fan module, a coil module, a filter module, and an electronic control module arranged in the casing, and a fresh air inlet, a return air inlet, and an air supply inlet arranged on the casing, the air supply inlet is connected to the fan module, the fresh air inlet and the return air inlet are arranged in parallel on the other side of the casing and are connected to the filter module, and a plurality of insulation boards are arranged around the inner wall of the casing to isolate the casing from the fan module, the coil module, the filter module, and the electronic control module.
[0007] In the above technical scheme, the arrangement order of the fan module, coil module, filter module, fresh air inlet, return air inlet and supply air inlet is fresh air inlet, return air inlet → filter module → coil module → fan module → supply air inlet from back to front along the wind direction, and the electronic control module and the fan module are placed side by side.
[0008] A preferred technical solution, the fan module includes a fan, a fan fixing frame, and a fixing frame sealing cotton. The fan fixing frame is a box-type structure with rectangular openings on both sides, wherein the smaller opening is connected to the fan casing to achieve air outlet, and is the air outlet, and the larger opening is the air intake of the fan. The fixing frame sealing cotton is a thin sheet of semi-rigid foam material, and has multiple sheets, which are pasted on the outer surface of the fan fixing frame, and its size and shape match the latter.
[0009] The preferred technical solution is that the coil module includes a heat exchange coil, a condensate tray, a drainage kit, an electric heater, and matching sheet metal, thermal insulation cotton, sealing cotton, etc. The drainage kit and electric heater are optional configurations.
[0010] According to a further technical solution, the drainage kit includes a drainage pump, a float switch, a drainage hose, a drainage joint, and a combination bracket, which together realize the function of forced removal of condensed water. The matching sheet metal connects the various components into an assembly, and the thermal insulation cotton and sealing cotton are pasted on the outer surface of the assembly.
[0011] A preferred technical solution, the filter module includes an adjustable air valve, an air filter, an ultraviolet sterilization lamp, a sheet metal fixing frame, a filter slide, and a fixing frame sealing cotton. The adjustable air valve is fixed on the sheet metal fixing frame, and the air filter is arranged in the filter slide. The quantity and filtration level can be adjusted according to demand. The ultraviolet sterilization lamp is an optional configuration, which is fixed on the sheet metal fixing frame and can be flexibly disassembled and assembled. The fixing frame sealing cotton is pasted on the outer surface of the sheet metal fixing frame.
[0012] A preferred technical solution is that the electric control module includes an electric control box and electrical components, etc. The specifications, quantity, arrangement, connection scheme, etc. of the electrical components are determined according to the performance and functional requirements of the whole machine.
[0013] According to a preferred technical solution, the insulation board is an EPP foam board, which is processed into a shape matching the casing by precision cutting, and the insulation board is adhered to the inner wall of the casing by using special glue.
[0014] According to a preferred technical solution, the casing comprises a shell body and a plurality of side cover plates, the shell body is welded or riveted, and the side cover plates are fixed to the sides of the shell body to achieve sealing of the entire machine.
[0015] The advantages of the utility model are:
[0016] 1. The internal modules and the metal shell of the utility model are all separated by thermal insulation materials, and the internal modules are also separated by sealing cotton, which can avoid the generation of cold bridges to the greatest extent and effectively prevent condensation on the shell caused by cold bridges;
[0017] 2. The utility model adopts EPP foam board as the shell insulation material, which can effectively block heat transfer. The foam board fits tightly with the metal shell and cooperates with the sealing cotton on the surface of the internal module to ensure the airtightness of the internal cavity, effectively avoiding air leakage and cold leakage, as well as condensation and performance loss caused by it;
[0018] 3. The inner wall of the shell and the outer surface of each module of the utility model are approximately smooth surfaces. The modules are positioned relative to each other through the smooth surfaces, eliminating the need for a specially set slideway, simplifying the overall structure, and avoiding local cold bridges caused by setting the slideway;
[0019] 4. The utility model integrates the main functional components of the unit into four modules, thereby realizing flexible configuration based on product performance and functional requirements. Each module can achieve different configurations by adding, removing or replacing parts, meeting the market demand for one machine with multiple models;
[0020] 5. The utility model does not need to dismantle the whole machine and then open the cover plate during maintenance, but only needs to open the side plate and pull out the parts that need to be repaired or replaced, which does not affect the integrity of the whole machine nor the thermal insulation performance of the whole machine;
[0021] 6. The utility model can effectively compress the volume of the fresh air dehumidifier through the pull-out modular design, making it more miniaturized and increasing the flexibility of the overall layout of the fresh air dehumidification system;
[0022] 7. The adjustable air valve of the utility model is arranged on the filter module in the casing, and the structure is more compact. The metal casing adopts the integral welding and spraying process, and the structural strength is good, and the appearance is more bright and smooth. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. The drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0024] The utility model is further described below in conjunction with the accompanying drawings and embodiments:
[0025] Figure 1 This is the appearance diagram of the utility model;
[0026] Figure 2 This is the structural diagram of the utility model;
[0027] Figure 3 This is a schematic diagram of the fan module of the utility model;
[0028] Figure 4 This is a schematic diagram of the coil module of the utility model;
[0029] Figure 5 This is a schematic diagram of the filter module of the utility model.
[0030] Among them: 1. Casing; 2. Air supply outlet; 3. Fresh air outlet; 4. Return air outlet; 6. Fan module; 7. Coil module; 8. Filter module; 9. Electronic control module; 10. Insulation board; 51. Side cover of electronic control module; 52. Side cover of coil module; 53. Side cover of filter module; 61. Fan; 62. Fan fixing frame; 63. Sealing cotton of fixing frame; 71. Heat exchange coil; 72. Condensate tray; 73. Drain kit; 74. Electric heater; 75. Matching sheet metal; 76. Insulation / sealing cotton; 81. Adjustable air valve; 82. Air filter; 83. Ultraviolet germicidal lamp; 84. Sheet metal fixing frame; 85. Filter slide; 86. Sealing cotton of fixing frame. DETAILED DESCRIPTION
[0031] Example: Figure 1 , 2 As shown, a modular fresh air dehumidifier includes a casing 1, a fan module 6, a coil module 7, a filter module 8, and an electronic control module 9 arranged in the casing 1, an air supply port 2, a fresh air port 3, and a return air port 4 are arranged on the casing 1, the air supply port 6 is connected to the fan module 6, the fresh air port 3 and the return air port 4 are arranged in parallel on the other side of the casing 1, and are connected to the filter module 8, the insulation board 10 isolates the casing 1 from the fan module 6, the coil module 7, the filter module 8, and the electronic control module 9, the electronic control module side cover plate 51, the coil module side cover plate 52, and the filter module side cover plate 53 are fixed to the opening side of the casing 1 to achieve sealing of the whole machine.
[0032] The arrangement order of the fan module 6, coil module 7, filter module 8, fresh air inlet 3, return air inlet 4, and supply air inlet 2 is fresh air inlet 3, return air inlet 4 → filter module 8 → coil module 7 → fan module 6 → supply air inlet 2 from back to front along the wind direction, and the electronic control module 9 is placed side by side with the fan module 7.
[0033] like Figure 3 As shown, the fan module 6 includes a fan 61, a fan fixing frame 62, and a fixing frame sealing cotton 63. The fan fixing frame 62 is a welded box-shaped structure. The fan 61 is fixed on one side of its small opening, and the large opening on the opposite side is the fan suction port. The fixing frame sealing cotton is made of sheet EVA cotton material (thickness 2-6mm) or rubber sponge (thickness 10-15mm), and is adhered to the surface of the fan fixing frame 62 with its own adhesive backing.
[0034] like Figure 4As shown, the coil module 7 includes a heat exchange coil 71, a condensate pan 72, a drainage kit 73, an electric heater 74, a matching sheet metal 75, and a heat preservation / sealing cotton 76, wherein the drainage kit 73 and the electric heater 74 are both optional configurations, the former is used to force the removal of condensed water, and the latter is used for reheating after dehumidification, and the matching sheet metal 75 connects the heat exchange coil 71, the condensate pan 72, the drainage kit 73, and the electric heater 74 into a rectangular combination, and the heat preservation / sealing cotton 76 is made of sheet EVA cotton material (thickness 2-6mm) or rubber sponge (thickness 10-15mm), which is adhered to the outer surface of the matching sheet metal 75 with its own adhesive to achieve heat preservation or sealing function.
[0035] like Figure 5 As shown, the filter module 8 includes an adjustable air valve 81, an air filter 82, an ultraviolet sterilization lamp 83, a sheet metal fixing frame 84, a filter slide 85, and a filter sealing cotton 86. The adjustable air valve 81 is fixed on the sheet metal fixing frame 84. The air filter 82 is usually multiple pieces and is arranged in the filter slide 85 (multiple slides, corresponding to the upper and lower parts). The ultraviolet sterilization lamp 83 is an optional configuration, which is fixed on the sheet metal fixing frame 84 and can be disassembled and replaced. The fixing frame sealing cotton 86 is pasted on the outer surface of the sheet metal fixing frame 84.
[0036] The insulation board 10 comprises a plurality of EPP foam boards (thickness not less than 10 mm), which are processed into a shape matching the housing 1 by precision cutting, and then adhered to the inner wall of the housing 1 by using special glue.
[0037] During production and assembly of this embodiment, the insulation board 10 is first pasted to the casing 1, and then the independent modules are assembled respectively. The assembled fan module 6, coil module 7, filter module 8, and electronic control module 9 are pushed in one by one from the side opening of the casing 1, and then electrical connections are made. Finally, the three side cover plates 51, 52, and 53 are fixed.
[0038] In this embodiment, when the internal components need maintenance, the corresponding side cover plates (electric control module side cover plate 51, coil module side cover plate 52, filter module side cover plate 53) on the casing 1 are opened, and the modules that need maintenance are pulled out. After maintenance, they can be installed according to the steps during installation.
Claims
1. A modular fresh air dehumidifier, comprising a housing, characterized in that: It includes multiple insulation boards, a fan module, a coil module, a filter module, and an electronic control module arranged in the casing, and a fresh air inlet, a return air inlet, and an air supply inlet arranged on the casing. The air supply inlet is connected to the fan module, and the fresh air inlet and the return air inlet are arranged in parallel on the other side of the casing. The fresh air inlet and the return air inlet are connected to the filter module. Multiple insulation boards are arranged around the inner wall of the casing, and the multiple insulation boards isolate the casing from the fan module, the coil module, the filter module, and the electronic control module.
2. A modular fresh air dehumidifier according to claim 1, characterized in that: The fan module includes a fan, a fan fixing frame, and a fixing frame sealing cotton. The fan fixing frame is a box-type structure. A rectangular opening is fixedly provided on each side of the fan fixing frame. The two rectangular openings are the air outlet and air intake of the fan.
3. A modular fresh air dehumidifier according to claim 1, characterized in that: The coil module includes a heat exchange coil, a condensate pan, a drainage kit, an electric heater, matching sheet metal, thermal insulation cotton and sealing cotton. The matching sheet metal fixes and connects the heat exchange coil, the condensate pan, the drainage kit and the electric heater to form an assembly. The thermal insulation cotton and sealing cotton are pasted on the outer surface of the assembly.
4. A modular fresh air dehumidifier according to claim 1, characterized in that: The filter module includes an adjustable air valve, an air filter, an ultraviolet sterilization lamp, a sheet metal fixing frame, a filter slide, and a fixing frame sealing cotton. The adjustable air valve is fixed on the sheet metal fixing frame, the air filter is arranged in the filter slide, the ultraviolet sterilization lamp is fixed on the sheet metal fixing frame, and the fixing frame sealing cotton is pasted on the outer surface of the sheet metal fixing frame.
5. A modular fresh air dehumidifier according to claim 1, characterized in that: The electric control module comprises an electric control box and a plurality of electric components, and the plurality of electric components are electrically connected to the electric control box.